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64044444046 = 21121715567439
BaseRepresentation
bin111011101001010110…
…001010100110001110
320010022100220211222011
4323221112022212032
52022130334202141
645231022411434
74425036535522
oct735126124616
9203270824864
1064044444046
1125185467800
12104b4430b7a
13606864014b
143157a95d82
1519ec856881
hexee958a98e

64044444046 has 24 divisors (see below), whose sum is σ = 111805354080. Its totient is φ = 27398690880.

The previous prime is 64044444031. The next prime is 64044444053.

64044444046 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×640444440463 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7779606 + ... + 7787833.

It is an arithmetic number, because the mean of its divisors is an integer number (4658556420).

Almost surely, 264044444046 is an apocalyptic number.

64044444046 is a deficient number, since it is larger than the sum of its proper divisors (47760910034).

64044444046 is a wasteful number, since it uses less digits than its factorization.

64044444046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15567480 (or 15567469 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 40.

The spelling of 64044444046 in words is "sixty-four billion, forty-four million, four hundred forty-four thousand, forty-six".

Divisors: 1 2 11 17 22 34 121 187 242 374 2057 4114 15567439 31134878 171241829 264646463 342483658 529292926 1883660119 2911111093 3767320238 5822222186 32022222023 64044444046